Almost three years after the previous major version became available, a new release of the Joomla Content Management System has now arrived. The new version 1.6 of the CMS is based on PHP 5 or, to be more precise, on 5.2.x; support for PHP 4 was discontinued with the release of the new version. The developers also removed the legacy code introduced in Joomla 1.5, which has improved code clarity and has also reduced the amount of code by about 30%.

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You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump